According to a recent Gallup Poll, American men, on average, say they weigh 196 lbs.; women say
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a. If weights for men have a normal distribution with a mean of 196 lbs. and a standard deviation, σm, of 30 lbs., how likely is it that 10 random men getting on the elevator will have a total weight greater than 2000 lbs.? Greater than 2250 lbs.?
b. If weights for women have a normal distribution with a mean of 160 lbs. and a standard deviation, σw, of 20 lbs., how likely is it that 10 random women getting into the elevator will have a total weight greater 2000 lbs.? Greater than 1700 lbs.? Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Related Book For
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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